Build your monthly budget for Kailua. The calculator is pre-filled with realistic local expenses, including $2,400 average rent, so you can see your savings rate against the 50/30/20 rule.
Last updated: May 2026 · Data: U.S. Census, BLS, IRS, state and city sources
Kailua has a cost-of-living index of 210 (US average = 100). Housing is usually the largest line item, with average 1-bedroom rent near $2,400/month. The estimates below are pre-filled in the calculator and scaled to local costs.
| Expense Category | Typical Kailua Amount |
|---|---|
| Housing (1-bedroom rent) | $2,400/month |
| Food (single person) | $575/month |
| Transportation | $650/month |
| Utilities & Internet | $220/month |
| Healthcare & Insurance | $320/month |
| Personal & Entertainment | $275/month |
| Recommended Savings | 15%+ of gross income |
| Emergency Fund Target | 3 to 6 months of expenses |
Kailua is an affluent beach town on the windward side of Oahu, known for some of the most desirable beaches in Hawaii, with high home prices, a tourism and small-business economy, and a large share of residents who commute to Honolulu.
| Local Metric | Kailua (2026 estimate) |
|---|---|
| Metro population | 40,000 |
| County / jurisdiction | the City and County of Honolulu |
| Cost of living index (US avg = 100) | 210 |
| Regional living wage, single adult | $27.00/hour |
| Regional living wage, one earner supporting a family of four | $52.00/hour |
| Applicable minimum wage | $16.00/hour |
| Average rent, 1-bedroom | $2,400/month |
| Average rent, 2-bedroom | $3,000/month |
| Median home price | $1,100,000 |
| Median household income | $130,000/year |
| Combined General Excise Tax (GET) rate | 4.5% |
| Effective property tax rate | 0.3% of value/year |
Local figures are 2026 estimates compiled from U.S. Census and Zillow housing data, and city and county sources. Verify current figures before relying on them.
With a cost-of-living index of 210 (US average = 100) and average 1-bedroom rent near $2,400/month, a single adult in Kailua typically needs take-home pay of at least $8,450/month to cover needs and save. The regional living wage for a single adult is about $27.00/hour.
Split after-tax income into 50% needs (housing, food, utilities, transport, minimum debt), 30% wants, and 20% savings and extra debt payoff. In a high-cost city like Kailua, the needs share often runs above 50%, so protect the 20% savings target.
Average rent in Kailua is about $2,400 for a 1-bedroom and $3,000 for a 2-bedroom. A common guideline keeps rent under 30% of gross income, though that is difficult in higher-cost metros.
Based on the local cost-of-living index, typical monthly expenses in Kailua run around $2,400 housing, $575 food, $650 transportation, and $220 utilities for a single person. The calculator is pre-filled with these estimates.
Aim for three to six months of essential expenses. In Kailua, with monthly needs around $4,165, that is roughly $12,495 to $24,990.